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When I saw the wireless charger, the first thing I thought of was a great scientist who was buried by people. It can be said that without him, there would be no colorful AC world. He is the father of AC ---- Nikola Tesla. Maybe you only know that there is a very famous electric car called Tesla, but this forgotten physicist has always been the idol of the physics writer. One of Tesla's last wishes is to realize wireless power transmission. At present, it can only be realized in a short distance in the laboratory, and cannot be fully applied to practice.

The wireless charger mainly adopts the principle of electromagnetic induction. The external power supply excites the magnetic field in the charging coil. The magnetic field is alternating and will generate induced current in the receiving coil of the equipment in contact with it, thus charging the equipment. This is just the main principle. The details can be searched by the reader.

▲ VH 'and' the internal components of the main seat of the wireless charger.

At present, all wireless chargers are launched by the Wireless Charging Alliance Qi Standards, short distance established（ 40mm, 1.6 Inch) low-power wireless inductive power transmission interconnection standard, mainly aimed at providing convenient and universal wireless charging for mobile phones and other portable electronic devices. Sharp two thousand and eleven The first smart phone using wireless charging was launched in. Since then, many Android phone manufacturers have also added wireless charging technology to their flagship phones.

This time I experienced VH ' and '  The wireless charger is also based on Qi Wireless charging standard, please experience it with the author VH Surprise. I will describe myself from the following four aspects:

1、 The beauty of simplicity is excellent

2、 It is fast and convenient, and the installation is unimpeded

3、 It is convenient to charge, and the "use" is acceptable

4、 Suggested supplement , experience the total "end"

1、 The beauty of simplicity is excellent

The mobile phone used by the author is iPhone5s ， iPhone Wireless charging technology is not supported temporarily, and additional coils are required to realize wireless charging Paster 。

▲ VH The outer packaging of the 'and' wireless charger is very exquisite. The gray cardboard packaging is used, and the beauty of simplicity is overflowing on its watch.

▲ Packaging width vs 5S The length is the same, the design is very reasonable, and the size of the package is moderate.

▲ In the middle of the package Yes logo It also conforms to its simple design style.

▲ The lower right corner is VH The logo on the front of the entire outer package is simple.

▲ Slightly thicker iPhone5s Thick.

▲ Lateral‘ open ’The logo design is very considerate. The design of the whole package is as simple as possible, giving the users who meet for the first time a pleasant feeling.

   ▲ The interior workmanship is even more exquisite. The double ring design is very similar to the old style video tape, and the roll type gathering of the transmission line also highlights the design intention.

▲ Inside the packaging flap is VH Relevant data, as well as the design drawing of the main seat.

▲ The visual angle is then transferred to the main seat. The brown leather design has an AC curve in the center, and its position is the main seat coil. The surface is still simple.

▲ The connection between the main seat and the transmission line is made of alloy, and the leather has a metallic feel.

▲ The back is laser engraving parameters, and the outer ring is anti slip washer. The anti slip ring can make the main seat more stable in the fixed position, providing better experience for users.

▲ There is a small hole on the side, which is the charging indicator.

Since the iPhone does not support wireless charging for the time being, a charging patch is included to bring good news to iPhone users.

▲ When iPhone users purchase, they should purchase an additional charging patch.

▲ The outer package of the patch is equivalent to 5s, and the thickness is slightly thin.

▲ The design of the patch is not inferior to that of the main seat. The surface of the flannelette is delicate and beautiful.

▲ With a thin body, the thickest part is only 1.4mm thick, and the weight of 6g, it is pasted on the back of the phone without feeling at all.

The appearance of the entire VH 'and' wireless charger is very exquisite, and the author who met for the first time thought that this is an art, not a wireless charger.

2、 It is fast and convenient, and the installation is unimpeded

  The main seat only needs to be connected USB OK, I won't repeat it here.

Pay attention to the installation of the patch. Due to the winding direction of the internal coil, the current can be generated in the patch only when the main seat and the coil of the patch meet the winding rule.

▲ Obviously, the designer is considerate and sticks DOCK Plug is not used iPhone L of ighting By design, only single side transmission is used, and the charging head can be charged only by fixed connection.

▲ Correct connection mode of charging sticker.

▲ At the same time, it should be noted that the designer, for the convenience of users DOCK The plug connection is only a flat cable design, which needs to be improved.

VH The main purpose of the 'and' wireless charger is to provide users with convenient and fast charging methods. In terms of installation, its experience is undoubtedly good.

3、 It is convenient to charge, and the "use" is acceptable

Only the fixed placement method can have a good charging effect. The main function of the wireless charger is the coil of the main seat and the induction coil of the patch. Before use, the position of the patch and the coil of the main seat should be clear, the middle, so the positions of the two should be well aligned.

▲ However, in the design, the designer intended to carve a sinusoidal sign in the center of the main seat and the center of the coil of the patch, so that users can get a better charging experience by simply aligning the two.

▲ After the main seat is connected to the power supply, the indicator light will be green.

▲ When charging, the side indicator light of the main seat will flash blue and green.  

▲ It was thought that the main seat could transmit current only after the patch was connected, but in the experience, the author found that even if the patch was not connected to the mobile phone, the indicator light of the main seat would flash blue and green, that is, there was current transmission. The author also uses this method to prove to the reader that only a fixed position can be used for charging, and it is not possible to charge the mobile phone by connecting the patch and placing it in any position on the main seat.

▲ The 5s note has been used for two years, and now it can be charged with a charger, which can be charged in two hours. Using VH 'and' wireless chargers for charging, it can be seen that the charging time from 20% to 55% is 37 minutes, and the charging time from 66% to 95% is 30 minutes. In general, it can be fully charged within 5 seconds within 2 hours, which is basically similar to the charging provided by mobile phones. Due to technical limitations, wireless charging cannot support fast charging at present. However, it is unnecessary for us to pursue fast charging when we put down the convenient charging method of charging at any time.

Since wireless charging is similar to electromagnetic oven heating, but one is to heat food, the wireless charger generates induced current in the device. The two bands are different, so users need not worry.

▲ It is believed that many readers will be surprised when they see this data. Indeed, the author is also surprised when experiencing it. When charging, the mobile phone is hot. Note that it is not hot, because the mobile phone will also be hot even if it is charged by ordinary data lines, but my mobile phone will be hot when VH 'and' wireless charger are charged. The author moved the mobile phone away and quickly measured the temperature at the center of the main seat, which has reached 44.9 degrees. There is still some error, which may be higher in practice.

▲ The temperature at the center of the screen of the author's mobile phone is already a high fever temperature.

At that time, there was a silicone protective cover on the back of my mobile phone, which may not transmit heat in time when charging. However, for iPhone series products that do not support wireless charging, the design of the patch originally allows users to place the patch in the protective case when using. The author has no answer to why this thermal effect is so obvious.

In the above experience, the VH 'and' wireless charger has brought a new charging experience to the author, who can pick up and answer the phone at any time without fear of electric shock when answering the phone during charging as reported in the news. However, the thermal effect of charging cannot be handled well, which will inevitably bring unnecessary losses to users.

4、 Suggest to add, experience the total "end"

Superficially VH 'and' wireless chargers generally perform well.

1. The appearance is simple and exquisite, so beautiful that it is not like a charger, but more like the accessories on the desk. Give 9/10 points with a weight of 0.3.

2. Simple installation and no complicated operation, but DOCK Plug design is too convenient. to 7/10 Score, weight zero point two 。

3. The charging speed is fast and the charging operation is convenient, but the charging heating effect is obvious. to 6/10 Score, weight zero point five 。

Overall, the score is 7.1/10 Points.

Suggestion:

one , patch and DOCK The plug is slightly thicker, which can increase the service life of the patch.

two The leather main seat brings a good texture experience, but this also means that the heat generated during charging cannot be dissipated quickly, resulting in high temperature in the center of the main seat, which brings unnecessary losses to mobile phones and chargers.

The above is my experience.